24 - Using the Precision Touchpad
3. Select Devices > Mouse & touchpad.
4. Now you can adjust the settings to suit your personal
needs. You can change the primary button for left- or
right-handed use, turn the touchpad off if you prefer to
use a mouse, or set a delay to prevent the cursor from
moving if you accidentally tap the touchpad with your
palm while working. Scroll down to see more settings.